Subject: Re: dma read modebits on Broadcom NICs
To: Michael van Elst <mlelstv@serpens.de>
From: Steven M. Bellovin <smb@cs.columbia.edu>
List: netbsd-users
Date: 12/06/2006 13:00:54
On Wed, 6 Dec 2006 18:30:59 +0100
Michael van Elst <mlelstv@serpens.de> wrote:

> On Wed, Dec 06, 2006 at 09:55:39AM +0000, Stephen Borrill wrote:
> > On Wed, 6 Dec 2006, Michael van Elst wrote:
> > >netbsd@precedence.co.uk (Stephen Borrill) writes:
> > >
> > >>bge0: pcistate failed to revert
> > >
> > >That's an error. The code waits for reset completition by polling
> > >the pcistate register. That check times out after about 10
> > >milliseconds.
> > >
> > >Either the timeout is too short for your hardware or the check
> > >is simply invalid.
> > 
> > As I've not seen any problems, hopefully it's that the check is
> > invalid. I don't think I've seen any bge hardware where it
> > _doesn't_ give that error.
> 
> I don't see this error on a Thinkpad T43p with NetBSD3.1.
> 
Nor I on a T42 with -current, over the last two years.  OTOH, I'm only
running on 100BaseT, not GigeE.


		--Steve Bellovin, http://www.cs.columbia.edu/~smb